What is a nautical league (UK)?

It is a historical British maritime length unit equal to 3 nautical miles or about 5,556 metres, used in navigation and charts.

How is the US survey mile defined?

The US survey mile equals exactly 5,280 US survey feet, where one foot equals 1,200/3,937 metres, totaling about 1,609.347 metres.

Why convert nautical leagues to miles (US survey)?

To interpret and compare historical sea distances with modern US surveying and mapping data effectively.

Can this conversion be used for precise scientific measurements?

No, because the nautical league is a historical unit and slight differences in unit definitions may affect precision.

How to Convert from Nautical league (UK) to Mile (US survey) [mi]

Easily convert distances from the historical maritime unit, nautical league (UK), to the US survey mile. Learn key facts, conversion rates, and practical uses of this length unit converter.

Nautical league (UK)

Mile (US survey) [mi]

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Nautical league (UK) to Mile (US survey) [mi] Conversion Table

Nautical league (UK)	Mile (US survey) [mi]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

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Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Nautical league (UK) to Mile (US survey) [mi] Conversion Table
Nautical league (UK)	Mile (US survey) [mi]

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What Is This Tool?

This tool converts length values from the nautical league (UK), a historical maritime distance unit, to the US survey mile, commonly used in surveying and mapping in the United States.

How to Use This Tool?

Enter the length value in nautical league (UK).
Select the unit to convert to: mile (US survey).
Click the convert button to see the result.
Review the conversion based on the known relationship of 1 nautical league (UK) equals approximately 3.4545 miles (US survey).

Key Features

Converts between nautical league (UK) and mile (US survey) with a precise conversion factor.
Supports interpreting historical maritime distances with modern surveying units.
Browser-based and easy to use without installation.
Provides examples for better understanding of unit conversions.

Examples

2 nautical leagues (UK) converts to about 6.9091 mile (US survey).
0.5 nautical league (UK) converts to approximately 1.7273 mile (US survey).

Common Use Cases

Analyzing historical British Admiralty charts and ship logs.
Converting old voyage lengths into modern SI and US survey units for maritime research.
Interpreting period maps and literary references mentioning sea distances in leagues.
Supporting cadastral and land survey interpretations using legacy measurements.
Working with historical geodetic and mapping data in the US.

Tips & Best Practices

Ensure the context of historical maritime distances before applying modern units.
Verify the type of miles used in surveys to avoid confusion with other mile definitions.
Use this converter when working with historical and modern dataset conversions together.
Cross-check results when converting long distances due to potential minor discrepancies.

Limitations

The nautical league (UK) is a historical unit and may not suit precise modern measurements.
Minor differences between definitions of feet and miles in US survey units can cause slight inaccuracies over long distances.
Not intended for use in applications requiring exact SI unit measurements.

Frequently Asked Questions

What is a nautical league (UK)?: It is a historical British maritime length unit equal to 3 nautical miles or about 5,556 metres, used in navigation and charts.
How is the US survey mile defined?: The US survey mile equals exactly 5,280 US survey feet, where one foot equals 1,200/3,937 metres, totaling about 1,609.347 metres.
Why convert nautical leagues to miles (US survey)?: To interpret and compare historical sea distances with modern US surveying and mapping data effectively.
Can this conversion be used for precise scientific measurements?: No, because the nautical league is a historical unit and slight differences in unit definitions may affect precision.

Key Terminology

Nautical league (UK): A historical maritime length unit equaling 3 nautical miles, used in British navigation and charts.
US survey mile: A length measurement unit equal to exactly 5,280 US survey feet, commonly used in US land surveying.
Conversion rate: The numerical factor used to translate a quantity from one unit to another.

Quick Knowledge Check

What does one nautical league (UK) equal?

Exactly 5,280 feet

3 nautical miles

1,852 meters

What is the primary use of the US survey mile?

Maritime navigation

Land surveying and mapping

Measuring depth in oceans

What is the approximate conversion rate from nautical league (UK) to mile (US survey)?

1.5

3.45

2.3

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